Home / 23,109.60-34,665.20-7,314.80

Finding the Fourth Proportional to 23,109.60, 34,665.20 and 7,314.80

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Solution

The fourth proportional to 23,109.60, 34,665.20 and 7,314.80 is: 10,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,109.60 : 34,665.20 = 7,314.80 : x
  2. Step 2: Convert to fraction form
    23,109.60/34,665.20 = 7,314.80/x
  3. Step 3: Cross multiply
    23,109.60x = 34,665.20 × 7,314.80
  4. Step 4: Simplify right side
    23,109.60x = 253,569,004.96
  5. Step 5: Solve for x
    x = 253,569,004.96/23,109.60
  6. Step 6: Final answer
    x = 10,972.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.